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AT28HC256F-12PC Datasheet(PDF) 4 Page - ATMEL Corporation |
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AT28HC256F-12PC Datasheet(HTML) 4 Page - ATMEL Corporation |
4 / 12 page Symbol Parameter Condition Min Max Units ILI Input Load Current VIN = 0V to VCC + 1V 10 µA ILO Output Leakage Current VI/O = 0V to VCC 10 µA ISB1 VCC Standby Current TTL CE = 2.0V to VCC + 1V AT28HC256-90, -12 3 mA AT28HC256-70 60 mA ISB2 VCC Standby Current CMOS CE = -3.0V to VCC + 1V AT28HC256-90, -12 300 µA ICC VCC Active Current f = 5 MHz; IOUT = 0 mA 80 mA VIL Input Low Voltage 0.8 V VIH Input High Voltage 2.0 V VOL Output Low Voltage IOL = 6.0 mA .45 V VOH Output High Voltage IOH = -4 mA 2.4 V DC Characteristics AT28HC256-70 AT28HC256-90 AT28HC256-12 Operating Temperature (Case) Com. 0°C - 70°C 0°C - 70°C 0°C - 70°C Ind. -40°C - 85°C -40°C - 85°C -40°C - 85°C Mil. -55°C - 125°C -55°C - 125°C VCC Power Supply 5V ± 10% 5V ± 10% 5V ± 10% DC and AC Operating Range Mode CE OE WE I/O Read VIL VIL VIH DOUT Write (2) VIL VIH VIL DIN Standby/Write Inhibit VIH X (1) X High Z Write Inhibit X X VIH Write Inhibit X VIL X Output Disable X VIH X High Z Chip Erase VIL VH (3) VIL High Z 3. VH = 12.0V ± 0.5V. Notes: 1. X can be VIL or VIH. 2. Refer to AC Programming Waveforms. Operating Modes DEVICE IDENTIFICATION: An extr a 64- b y te s o f E2PROM memory are available to the user for device identification. By raising A9 to 12V ± 0.5V and using ad- dress locations 7FC0H to 7FFFH the additional bytes may be written to or read from in the same manner as the regu- lar memory array. OPTIONAL CHIP ERASE MODE: The entire device can be erased using a 6-byte software code. Please see Soft- ware Chip Erase application note for details. Device Operation (Continued) 2-282 AT28HC256 |
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